Nguyen Duc Hung was Ambassador of the Socialist Republic of Vietnam to the Singapore from 1996 to 1999 and Canada from 2006 to 2010. He joined the Vietnam Ministry of Foreign Affairs as a career diplomat in 1973. While working at the MOFA headquarters in Hanoi, he held different positions as Chief of Staff; Assistant-Minister, Chief of Advisory Board to the Ministerial Leadership; Assistant-Minister and Director General of Americas Department. From 2010 to 2012 he had been appointed as Ambassador, Governor for Vietnam in Asia – Europe Foundation (ASEF), and from 2012 till now he works as Senior Advisor for Strategic Studies, Diplomatic Academy of Vietnam, MOFA